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A115810
Sequence A115809 in binary.
1
0, 11111, 111110, 111111, 1111100, 1111110, 1111111, 11111000, 11111100, 11111110, 11111111, 111110000, 111111000, 111111100, 111111110, 111111111, 1111100000, 1111110000, 1111111000, 1111111100, 1111111110, 1111111111
OFFSET
0,2
CROSSREFS
Cf. a(n) = A007088(A115809(n)).
Sequence in context: A308609 A038447 A115834 * A262497 A291946 A154807
KEYWORD
nonn,base
AUTHOR
Antti Karttunen, Feb 01 2006
STATUS
approved